The main objective of this article is to study the thermal and structural performance of piston using finite
element based commercial software ANSYS. Piston is modelled using SOLIDWORKS and analysis would
be performed through ANSYS workbench. Optimization analysis has been performed considering three
different materials such as Grey Cast iron, structural steel and aluminium alloy because these three
material have good compression strength and their thermal conductivity and density will different for each
one. For the same amount of pressure Aluminium alloy has shown maximum deformation and equivalent
strain, where von misses stress value is minimum for it. Whereas, Structural steel and Grey cast iron shows
deformation and strain values less than that of Aluminium alloy for same pressure load. Aluminium alloy
has highest heat flux and lowest temperature on piston head under thermal load. Piston receives thermal
energy generated via combustion and higher heat flux ensures quick cooling of component by quick
drainage of thermal energy. Grey cast iron and Structural steel has half of the value of heat flux to that of
Aluminium alloy. Therefore, Aluminium alloy is the preferable material for the design of automobile piston
among the given three materials. 

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